For each week beginning on a given date, the figures show the number of sites that reported they are using the xapian 6.x-1.x-dev release.

Xapian integration project page
xapian 6.x-1.x-dev release page
All Xapian integration usage statistics
Usage statistics for all projects

Week starting Count
May 19th, 2013 1
May 12th, 2013 1
May 5th, 2013 2
April 28th, 2013 2
April 21st, 2013 2
April 14th, 2013 2
April 7th, 2013 2
March 31st, 2013 2
March 24th, 2013 2
March 17th, 2013 2
March 10th, 2013 2
March 3rd, 2013 2
February 24th, 2013 2
February 17th, 2013 2
February 10th, 2013 4
February 3rd, 2013 2
January 27th, 2013 2
January 20th, 2013 2
January 13th, 2013 2
January 6th, 2013 3
December 30th, 2012 5
December 23rd, 2012 2
December 16th, 2012 3
December 9th, 2012 2
December 2nd, 2012 2
November 25th, 2012 2
November 18th, 2012 2
November 11th, 2012 2
November 4th, 2012 2
October 28th, 2012 2
October 21st, 2012 2

Only Drupal websites using the Update Status module are included in the data. Read more information about how these statistics are calculated.